Small pit, largely infilled.
Publications (1)
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
Jan 1st, 2024 from GWSI by Buddle-Bot![]()
| North Wales | |
| Betws Garmon | |
| 53.074564, -4.1621876 | |
| SH 5525 5522 | |
| Open Access | |
| 150m | |
| #1,419 |
Small pit, largely infilled.
Cwellyn Mine - 602m
Cwm Bychan Iron Trials? - 750m
Bryn Manllyn - 821m
Plas y Nant - 874m
Clogwynygarreg Mine - 1,530m
Bwlchgylfin - 1,720m
Drws y Coed - 1,929m
Trial Level (Mynydd Mawr) - 1,937m